How was the social structure of Egypt different from the social structure of Mesopotamia?

Egypt lived along the Nile River in Egypt. Mesopotamia was settled between the Tigris and Euphrates rivers on the Fertile Crescent. The Egyptians believed in polytheism. The Mesopotamians had improved with irrigation and farming.

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the structure of state governments are determined by. "state constitutins'

under the us constitution, all state governments are.'republics'

answer; collective security;